Here is my Error Message which is shown when I browse: ../api/User
<Error>
<Message>An error has occurred.</Message>
<ExceptionMessage>
Type 'RavenReader.Web.Controllers.UserController' does not have a default constructor
</ExceptionMessage>
<ExceptionType>System.ArgumentException</ExceptionType>
<StackTrace>
at System.Linq.Expressions.Expression.New(Type type) at System.Web.Http.Internal.TypeActivator.Create[TBase](Type instanceType) at System.Web.Http.Dispatcher.DefaultHttpControllerActivator.GetInstanceOrActivator(HttpRequestMessage request, Type controllerType, Func`1& activator) at System.Web.Http.Dispatcher.DefaultHttpControllerActivator.Create(HttpRequestMessage request, HttpControllerDescriptor controllerDescriptor, Type controllerType)
</StackTrace>
</Error>
My Controller Classes are
public class BaseController : ApiController
    {
        private readonly ICookieStorageService _cookieStorageService;
        public BaseController(ICookieStorageService cookieStorageService) 
        {
            _cookieStorageService = cookieStorageService;
        }
    }
public class UserController : BaseController
    {
        private readonly RavenUserFacade _facade;
        private readonly ICookieStorageService _cookieStorageService;       
        public UserController(ICookieStorageService cookieStorageService, RavenUserFacade facade):base(cookieStorageService)
        {
            _facade = facade;
        }
        // GET api/User
        public IEnumerable<RavenUserView> Get()
        {
            var users = _facade.GetAllUser();
            return users.RavenUsers;
        }
        ..........................................
        ..........................................
    }
According to http://www.peterprovost.org/blog/2012/06/19/adding-ninject-to-web-api/ this blog I organized my NinjectDependencyScope class, NinjectDependencyResolver class and NinjectWebCommon as follows:
public class NinjectDependencyScope : IDependencyScope
    {
        private IResolutionRoot resolver;
        internal NinjectDependencyScope(IResolutionRoot resolver)
        {
            Contract.Assert(resolver != null);
            this.resolver = resolver;
        }
        public void Dispose()
        {
            var disposable = resolver as IDisposable;
            if (disposable != null)
                disposable.Dispose();
            resolver = null;
        }
        public object GetService(Type serviceType)
        {
            if (resolver == null)
                throw new ObjectDisposedException("this", "This scope has already been disposed");
            return resolver.TryGet(serviceType);
        }
        public IEnumerable<object> GetServices(Type serviceType)
        {
            if (resolver == null)
                throw new ObjectDisposedException("this", "This scope has already been disposed");
            return resolver.GetAll(serviceType);
        }
    }
public class NinjectDependencyResolver : NinjectDependencyScope, IDependencyResolver
    {
        private IKernel kernel;
        public NinjectDependencyResolver(IKernel kernel)
            : base(kernel)
        {
            this.kernel = kernel;
        }
        public IDependencyScope BeginScope()
        {
            return new NinjectDependencyScope(kernel.BeginBlock());
        }
    }
public static class NinjectWebCommon
    {
        private static readonly Bootstrapper bootstrapper = new Bootstrapper();
        /// <summary>
        /// Starts the application
        /// </summary>
        public static void Start()
        {
            DynamicModuleUtility.RegisterModule(typeof(OnePerRequestHttpModule));
            DynamicModuleUtility.RegisterModule(typeof(NinjectHttpModule));
            bootstrapper.Initialize(CreateKernel);
        }
        /// <summary>
        /// Stops the application.
        /// </summary>
        public static void Stop()
        {
            bootstrapper.ShutDown();
        }
        /// <summary>
        /// Creates the kernel that will manage your application.
        /// </summary>
        /// <returns>The created kernel.</returns>
        public static IKernel CreateKernel()
        {
            var kernel = new StandardKernel();
            kernel.Bind<Func<IKernel>>().ToMethod(ctx => () => new Bootstrapper().Kernel);
            kernel.Bind<IHttpModule>().To<HttpApplicationInitializationHttpModule>();
            RegisterServices(kernel);
            GlobalConfiguration.Configuration.DependencyResolver = new NinjectDependencyResolver(kernel);
            return kernel;
        }
        /// <summary>
        /// Load your modules or register your services here!
        /// </summary>
        /// <param name="kernel">The kernel.</param>
        private static void RegisterServices(IKernel kernel)
        {
            kernel.Bind<IDbFactory>().To<IDbFactory>().InSingletonScope();
            kernel.Bind<IUnitOfWork>().To<EFUnitOfWork>();
            kernel.Bind<IRavenUserRepository>().To<RavenUserRepository>();
            kernel.Bind<IRavenUserFacade>().To<RavenUserFacade>();
            kernel.Bind<ICookieStorageService>().To<CookieStorageService>();
            kernel.Bind<ICacheStorage>().To<HttpContextCacheAdapter>();
        }
    }
I am using visual Studio 2013 Ninject For MVC-3